1. In the accompanying figure, the timing relay coil (TR) is energized with the secondary starter coil (F).
a. True
b. False
2. In the accompanying figure, the timer setting should be adjusted for the maximum time required to accelerate the
motor to the point that it can reach the synchronous speed after contact TR closes.
a. True
b. False
3. A synchronous motor may be brought up to synchronous speed with the use of a definite ____ relay to excite the DC
field.
a. accelerating b. current
c. time-delay d. overcurrent
Name: Class: Date:
Unit 41 Timed Semiautomatic Synchronizing
4. If the attempt to synchronize the motor is not successful, the stop button is pressed and the starting cycle is ____.
a. repeated b. prolonged
c. redefined d. reset
Name: Class: Date:
Unit 41 Timed Semiautomatic Synchronizing